Technical Data

Our terracotta products and mechanical cladding systems are made strictly in accordance to the relevant European Union Standard.

Resistance against thermal shocks
UNE-EN 10545-9
Lineal thermal expansion coefficient
<9×10-6/CUNE-EN 10545-8
Water absorption
<0.1 UNE-EN 10545-3
Bending resistance
35-55N/mm³UNE-EN 10545-4
Frost resistance
UNE-EN 10545-12
Resistance to staining
UNE-EN 10545-14
Surface scratch resistance
6-7 UNE-EN 67-101
Hygienic resistance to chemical etching
UNE-EN 10545-13
Restitution coefficient
>0.8 UNE-EN 10545-5

 

  Technical index
Performance index 306mm(width) x 18mm(thick)  306mm(width) x 18mm(thick)  310mm(width) x 30mm(thick) 
Dry weight 31kg/㎡ 31kg/㎡ 41kg/㎡
Frost resistance After 100 cycles of freeze-thawing without cracking After 100 cycles of freeze-thawing without cracking/td> After 100 cycles of freeze-thawing without cracking
Damage strength 4966N 4779N 8722n
Rupture modulus Average value：97MPa，Least value：86MPa Average value：59.36MPa，Least value：≥50MPa Average value：92.43MPa，Least value：≥80MPa
Poisson’s ratio 0.16 0.16 0.16
Elastic modulus 44GPa 34GPa 34GPa
Fire performance A1 level A1 level A1 level
Acid and alkali ULA level ULA level ULA level
Radioactive Class A decoration materials Class A decoration materials Class A decoration materials
Vibrate resistance More than 10 degrees fortification More than 10 degrees fortification More than 10 degrees fortification
Simulation wind pressure test Reaching 11kPa without damage Reaching 11kPa without damage Reaching 11kPa without damage
Sound insulation performance Reduce noise more than 9dB Reduce noise more than 9dB Reduce noise more than 9dB
Coefficient of thermal conductivity 0.31w/m.K 0.31w/m.K 0.31w/m.K
Thermal shock resistance After 50 cycles of thermal shock without cracks and cracks After 50 cycles of thermal shock without cracks and cracks After 50 cycles of thermal shock without cracks and cracks
Resistance to polluting level 2 level 2 level 2
Impact resistance 0.78 0.78 0.78
Linear coefficient of thermal expansion 5.2×10-6℃-1 5.2×10-6℃-1 5.2×10-6℃-1